/**
 * Created by jiachenpan on 16/11/18.
 */


export function parseTime(time, cFormat) {
    if (arguments.length === 0) {
        return null;
    }
    const format = cFormat || "{y}-{m}-{d} {h}:{i}:{s}";
    let date;
    if (typeof time == "object") {
        date = time;
    } else {
        if (("" + time).length === 10) time = parseInt(time) * 1000;
        date = new Date(time);
    }
    const formatObj = {
        y: date.getFullYear(),
        m: date.getMonth() + 1,
        d: date.getDate(),
        h: date.getHours(),
        i: date.getMinutes(),
        s: date.getSeconds(),
        a: date.getDay(),
    };
    const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
        let value = formatObj[key];
        if (key === "a")
            return ["一", "二", "三", "四", "五", "六", "日"][value - 1];
        if (result.length > 0 && value < 10) {
            value = "0" + value;
        }
        return value || 0;
    });
    return time_str;
}

export function formatTime(time, option) {
    time = +time * 1000;
    const d = new Date(time);
    const now = Date.now();

    const diff = (now - d) / 1000;

    if (diff < 30) {
        return "刚刚";
    } else if (diff < 3600) {
        // less 1 hour
        return Math.ceil(diff / 60) + "分钟前";
    } else if (diff < 3600 * 24) {
        return Math.ceil(diff / 3600) + "小时前";
    } else if (diff < 3600 * 24 * 2) {
        return "1天前";
    }
    if (option) {
        return parseTime(time, option);
    } else {
        return (
            d.getMonth() +
            1 +
            "月" +
            d.getDate() +
            "日" +
            d.getHours() +
            "时" +
            d.getMinutes() +
            "分"
        );
    }
}

// 格式化时间
export function getQueryObject(url) {
    url = url == null ? window.location.href : url;
    const search = url.substring(url.lastIndexOf("?") + 1);
    const obj = {};
    const reg = /([^?&=]+)=([^?&=]*)/g;
    search.replace(reg, (rs, $1, $2) => {
        const name = decodeURIComponent($1);
        let val = decodeURIComponent($2);
        val = String(val);
        obj[name] = val;
        return rs;
    });
    return obj;
}

/**
 *get getByteLen
 * @param {Sting} val input value
 * @returns {number} output value
 */
export function getByteLen(val) {
    let len = 0;
    for (let i = 0; i < val.length; i++) {
        if (val[i].match(/[^\x00-\xff]/gi) != null) {
            len += 1;
        } else {
            len += 0.5;
        }
    }
    return Math.floor(len);
}

export function cleanArray(actual) {
    const newArray = [];
    for (let i = 0; i < actual.length; i++) {
        if (actual[i]) {
            newArray.push(actual[i]);
        }
    }
    return newArray;
}

export function param(json) {
    if (!json) return "";
    return cleanArray(
        Object.keys(json).map((key) => {
            if (json[key] === undefined) return "";
            return encodeURIComponent(key) + "=" + encodeURIComponent(json[key]);
        })
    ).join("&");
}

export function param2Obj(url) {
    const search = url.split("?")[1];
    if (!search) {
        return {};
    }
    return JSON.parse(
        '{"' +
        decodeURIComponent(search)
        .replace(/"/g, '\\"')
        .replace(/&/g, '","')
        .replace(/=/g, '":"') +
        '"}'
    );
}

export function html2Text(val) {
    const div = document.createElement("div");
    div.innerHTML = val;
    return div.textContent || div.innerText;
}

export function objectMerge(target, source) {
    /* Merges two  objects,
             giving the last one precedence */

    if (typeof target !== "object") {
        target = {};
    }
    if (Array.isArray(source)) {
        return source.slice();
    }
    for (const property in source) {
        if (source.hasOwnProperty(property)) {
            const sourceProperty = source[property];
            if (typeof sourceProperty === "object") {
                target[property] = objectMerge(target[property], sourceProperty);
                continue;
            }
            target[property] = sourceProperty;
        }
    }
    return target;
}

export function scrollTo(element, to, duration) {
    if (duration <= 0) return;
    const difference = to - element.scrollTop;
    const perTick = (difference / duration) * 10;
    setTimeout(() => {
        console.log(new Date());
        element.scrollTop = element.scrollTop + perTick;
        if (element.scrollTop === to) return;
        scrollTo(element, to, duration - 10);
    }, 10);
}

export function toggleClass(element, className) {
    if (!element || !className) {
        return;
    }
    let classString = element.className;
    const nameIndex = classString.indexOf(className);
    if (nameIndex === -1) {
        classString += "" + className;
    } else {
        classString =
            classString.substr(0, nameIndex) +
            classString.substr(nameIndex + className.length);
    }
    element.className = classString;
}

export const pickerOptions = [{
        text: "今天",
        onClick(picker) {
            const end = new Date();
            const start = new Date(new Date().toDateString());
            end.setTime(start.getTime());
            picker.$emit("pick", [start, end]);
        },
    },
    {
        text: "最近一周",
        onClick(picker) {
            const end = new Date(new Date().toDateString());
            const start = new Date();
            start.setTime(end.getTime() - 3600 * 1000 * 24 * 7);
            picker.$emit("pick", [start, end]);
        },
    },
    {
        text: "最近一个月",
        onClick(picker) {
            const end = new Date(new Date().toDateString());
            const start = new Date();
            start.setTime(start.getTime() - 3600 * 1000 * 24 * 30);
            picker.$emit("pick", [start, end]);
        },
    },
    {
        text: "最近三个月",
        onClick(picker) {
            const end = new Date(new Date().toDateString());
            const start = new Date();
            start.setTime(start.getTime() - 3600 * 1000 * 24 * 90);
            picker.$emit("pick", [start, end]);
        },
    },
];

export function getTime(type) {
    if (type === "start") {
        return new Date().getTime() - 3600 * 1000 * 24 * 90;
    } else {
        return new Date(new Date().toDateString());
    }
}

export function debounce(func, wait, immediate) {
    let timeout, args, context, timestamp, result;

    const later = function() {
        // 据上一次触发时间间隔
        const last = +new Date() - timestamp;

        // 上次被包装函数被调用时间间隔last小于设定时间间隔wait
        if (last < wait && last > 0) {
            timeout = setTimeout(later, wait - last);
        } else {
            timeout = null;
            // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
            if (!immediate) {
                result = func.apply(context, args);
                if (!timeout) context = args = null;
            }
        }
    };

    return function(...args) {
        context = this;
        timestamp = +new Date();
        const callNow = immediate && !timeout;
        // 如果延时不存在，重新设定延时
        if (!timeout) timeout = setTimeout(later, wait);
        if (callNow) {
            result = func.apply(context, args);
            context = args = null;
        }

        return result;
    };
}

export function deepClone(source) {
    if (!source && typeof source !== "object") {
        throw new Error("error arguments", "shallowClone");
    }
    const targetObj = source.constructor === Array ? [] : {};
    for (const keys in source) {
        if (source.hasOwnProperty(keys)) {
            if (source[keys] && typeof source[keys] === "object") {
                targetObj[keys] = source[keys].constructor === Array ? [] : {};
                targetObj[keys] = deepClone(source[keys]);
            } else {
                targetObj[keys] = source[keys];
            }
        }
    }
    return targetObj;
}
// 日期，-年月
export const getNowDate = () => {
    let now = new Date();
    let year = now.getFullYear(); //年份
    let month = now.getMonth(); //月份
    month = month + 1;
    month = month.toString().padStart(2, "0");
    return `${year}-${month}`;
};
// 日期，每月1号
export const day_1 = () => {
    let now = new Date();
    let year = now.getFullYear(); //年份
    let month = now.getMonth() + 1; //月份
    month = month.toString().padStart(2, "0");
    return `${year}-${month}-01 00:00:00`;
};

// 日期，-时分秒
export const getFullTime = () => {
    let now = new Date();
    let year = now.getFullYear(); //年份
    let month = now.getMonth(); //月份
    let date = now.getDate(); //日期
    month = month + 1;
    month = month.toString().padStart(2, "0");
    date = date.toString().padStart(2, "0");

    return `${year}-${month}-${date} 00:00:00`;
};
// 日期，-时分秒
export const sevenDaysBefore = () => {
    let now = new Date();
    let year = now.getFullYear(); //年份
    let month = now.getMonth(); //月份
    let date = 1; //日期
    month = month + 1;
    month = month.toString().padStart(2, "0");
    date = date.toString().padStart(2, "0");

    return `${year}-${month}-${date} 00:00:00`;
};
// 日期，-时分秒--当前时间
export const getNowTime = () => {
    let now = new Date();
    let year = now.getFullYear(); //年份
    let month = now.getMonth(); //月份
    let date = now.getDate(); //日期
    let hour = now.getHours(); //时
    let minute = now.getMinutes(); //分
    let second = now.getSeconds(); //秒
    month = month + 1;
    month = month.toString().padStart(2, "0");
    date = date.toString().padStart(2, "0");
    hour = hour.toString().padStart(2, "0");
    minute = minute.toString().padStart(2, "0");
    second = second.toString().padStart(2, "0");
    return `${year}-${month}-${date} ${hour}:${minute}:${second}`;
};



// 日期，--当前时间

export const getDates = () => {
    let now = new Date();
    let year = now.getFullYear(); //年份
    let month = now.getMonth(); //月份
    let date = now.getDate() - 1; //日期
    month = month + 1;
    month = month.toString().padStart(2, "0");
    date = date.toString().padStart(2, "0");

    return `${year}-${month}-${date}`;
};

export const getNowDates = () => {
    let now = new Date();
    let year = now.getFullYear(); //年份
    let month = now.getMonth(); //月份
    let date = now.getDate(); //日期
    month = month + 1;
    month = month.toString().padStart(2, "0");
    date = date.toString().padStart(2, "0");

    return `${year}-${month}-${date}`;
};

export const yesterday = () => {
    let now = new Date();
    let preDate = new Date(now.getTime() - 24 * 60 * 60 * 1000) //前一天
    let year = preDate.getFullYear() //年份
    let month = preDate.getMonth() //月份
    let date = preDate.getDate() //日期
    month = month + 1
    month = month.toString().padStart(2, '0')
    date = date.toString().padStart(2, '0')
    return `${year}-${month}-${date}`;
};
// 防抖
export function debounces(fn, wait) {
    let timeout = null;
    wait = wait || 600;
    return function(e) {
        let that = this;
        if (timeout !== null) clearTimeout(timeout);
        timeout = setTimeout(() => {
            fn.call(that, e);
        }, wait);
    }
}
// async await 代替try{}catch{}
export function to(promise, errorExt) {
    return promise
        .then((data) => [null, data])
        .catch((err) => {
            if (errorExt) {
                const parsedError = Object.assign({}, err, errorExt);
                return [parsedError, undefined];
            }
            return [err, undefined];
        });
}
export default to;